# ANCHOR: string_variables
t1 t2
# ANCHOR_END: string_variables
# ANCHOR: string_slicing
Hello
World
llo, Wo
# ANCHOR_END: string_slicing
# ANCHOR: string_concatenation
world
world!
Hello, world!
# ANCHOR_END: string_concatenation
# ANCHOR: string_operations
Doctor
order
Doctor's
orders
Doctor's orders
# ANCHOR_END: string_operations
